2
sinh (x) + 2*x*cosh(x)*sinh(x)
$$2 x \sinh{\left(x \right)} \cosh{\left(x \right)} + \sinh^{2}{\left(x \right)}$$
/ / 2 2 \ \
2*\x*\cosh (x) + sinh (x)/ + 2*cosh(x)*sinh(x)/
$$2 \left(x \left(\sinh^{2}{\left(x \right)} + \cosh^{2}{\left(x \right)}\right) + 2 \sinh{\left(x \right)} \cosh{\left(x \right)}\right)$$
/ 2 2 \
2*\3*cosh (x) + 3*sinh (x) + 4*x*cosh(x)*sinh(x)/
$$2 \left(4 x \sinh{\left(x \right)} \cosh{\left(x \right)} + 3 \sinh^{2}{\left(x \right)} + 3 \cosh^{2}{\left(x \right)}\right)$$